Woodpecker (IMAGE) Wildlife Conservation Society Caption Great slaty woodpeckers are one of the birds that have largely vanished following the construction of the Chiew Larn Reservoir some 31 years ago. Credit Wich'yanan Limparungpatthanakij Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.